3 - 19
( 3 ) N O Z O O M O P E R A T I O N
Does focus operate
normally?
NO
YES
NG
Check the
zoom switch unit.
Check IC1201 and
EEPROM
When power turned on:
TL1336:PULSE
TL1331-TL1334:PULSES
IC1301-2,10,29:5V
IC1301-12,20:9V
IC1301-28:PULSE
2
OK
NG
OK
NG
OK
NG
NG
OK
Lens block faulty.
Zoom switch faulty.
See "(1) No zoom and
focus operation."
Check the 5V line
Check the +B line
IC1201 faulty.
OK
OK
NG
1
1
Check the connections
of the lens flat cable.
TL1346:3V
TL1335:PULSE
Lens block faulty.
2
IC1301-3:PULSE
IC1301-4:PULSE
IC1301 faulty
Correct the connections
of the flat cable.
Check the 3V line
IC1201 faulty.
R1215 faulty.
Q1201 faulty.
IC1201 faulty.
IC1201 faulty.
NG
NG
NG
NG
NG
OK
OK
OK
OK
OK
IC1301-30:PULSE
IC1201 faulty.
NG
OK
